Fubirai Khan who was the grandchild of Genghis Khan which
conquered an Eurasian continent for 1206 years unified China,
and then he held an Gen dynasty.
The country document which the Gen-dynasty which aimed at the
eastern conquest required the offering to them, was sent to
our country in 1260.
Kamakura shogunate kept ignoring this because it was an
impolite document.
The forces of many Gens have attacked it in Hakata bay in 1268.
The defense army struggled because it was the large force that it
exceeded 10000 people. Then, the samurai who saw a gun for the first
time, and a horse are surprised at the explosion, and it seems that
it didn't become a battle.
The night, God's wind blew in being lucky, and the ship of the army
of Gen was damaged badly.
Anchor stone (I-Ka-Ri-I-Shi) of the thing of the age is displayed
in the treasure house of Dazaifu Tenma shrine.
Before, it was put on the courtyard of the shrine.
It considers that it was a structure like a figure from Ikari that
it was discovered in the rest.